Home / 3,948.17-5,921.76-1,026.39

Finding the Fourth Proportional to 3,948.17, 5,921.76 and 1,026.39

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Solution

The fourth proportional to 3,948.17, 5,921.76 and 1,026.39 is: 1,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.17 : 5,921.76 = 1,026.39 : x
  2. Step 2: Convert to fraction form
    3,948.17/5,921.76 = 1,026.39/x
  3. Step 3: Cross multiply
    3,948.17x = 5,921.76 × 1,026.39
  4. Step 4: Simplify right side
    3,948.17x = 6,078,035.25
  5. Step 5: Solve for x
    x = 6,078,035.25/3,948.17
  6. Step 6: Final answer
    x = 1,539.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.